HomeMy WebLinkAboutAddendum - 4AMENDMENT NO. 4 TO AGREEMENT FOR ARCHITECTURAL
SERVICES FOR CITY HALL REMODEL.
THIS AMENDMENT, dated for reference purposes only as June 26, 2026, is by and between the
Mackenzie
Washington State Incorporated Company. The City and the Consultant are referred to collectively
in this Amendment Amendment is
effective as of the last date signed by both parties.
Whereas, the City engaged the services of the Consultant under Agreement CAG-24-101,
Amendment 1, dated January 10, 2025, to provide necessary services for the Renton City Hall
Building
Whereas, the Parties wish to maintain the Agreement of performance January 10, 2025 through
December 31, 2027. There is no change in compensation.
NOW THEREFORE, It is mutually agreed upon that CAG-24-101 is amended as follows:
1. Scope of Work: Section 1, Scope of Work, is amended to add in as specified in Exhibit A-
4 (R4), which is attached and incorporated herein.
2. Time of Performance: Section 3, Time Performance will remain as December 31, 2027.
3. Compensation: Section 4, Compensation will not change in the amendment.
4.All terms of the Agreement not explicitly modified herein shall remain in full force and
effect and such terms shall apply to Work performed according to this Amendment as if
fully set forth herein.
IN WITNESS WHEREOF, the Parties have voluntarily entered into this Amendment as of the date
last signed by the Parties below.
CITY OF RENTON
By:_____________________________
CONSULTANT
By:____________________________
Martin Pastucha
Public Works Administrator
Brett Hanson
Mackenzie Principal
CAG-24-101, Adden #4-26
PAGE 2 OF 2
_____________________________
Date
_____________________________
Date
Approved as to Legal Form
By:
City Attorney
Contract Template Updated 06/17/2021
Clb (2868)
7/2/2026
June 8, 2026
City of Renton
Attention: Alisha Smothers
1055 S Grady Way, Suite 600
Renton, WA 98057
Re:Renton City Hall: Lobby Remodel
Amendment 4 Scope revision (no cost change): Lobby Service Center Design Package
Project Number 2240055.00
Dear Alisha:
Mackenzie appreciates this opportunity, and we are pleased to present to City of Renton the following Scope of
Services to amend Agreement CAG-24-101, Lobby Remodel project: Lobby Service Center Design Package. There is no
change in compensation.
tegrated team of design professionals will provide architecture and interior design services for the above
project. In addition, Mackenzie will retain Mechanical, Electrical, Plumbing (GFT Infrastructure, Inc.) and Cost Estimating
(Wiggins Preconstruction Services) consultants to complete the team. See attached proposals from our consultants
(Attachments B and C, respectively).
Our Basis of Design along with our detailed Scope of Services by phase is as follows:
INTRODUCTION
This proposal provides a structured breakdown of architectural, engineering and cost estimating services to occur prior to
the City of Renton City Hall First Floor Remodel (~2,500 square foot (SF) Tenant Improvement).
The intent of this format is to clearly define:
Phase-by-phase scope of work.
Discipline responsibilities.
Meeting structure and coordination effort.
Deliverable expectations.
Assumptions that establish design boundaries.
The purpose of the scope of services amendment is to provide the following work prior to the start of the City of Renton
City Hall First Floor Remodel.
Finalize conceptual floor plan.
Establish Mechanical, Electrical, and Plumbing feasibility of work.
City of Renton
: Lobby Service Center
architecture and interior design
Mechanical, Electrical, Plumbing (GFT Infrastructure, Inc.)
to complete the team. See attached proposal
Scope of Services by phase is as follows:
This proposal provides a structured breakdown of architectural, engineering and cost estimating
City of Renton City Hall First Floor Remodel (~2,500 square foot (SF)Tenant Improvement)
The intent of this format is to clearly define:
phase scope of work.
Discipline responsibilities.
Meeting structure and coordination effort.
Deliverable expectations.
Assumptions that establish design boundaries.
The purpose of the scope of services amendment is to provide the following work prior to the start of the
City Hall First Floor Remodel.
Finalize conceptual floor plan.
Establish Mechanical, Electrical,and Plumbing feasibility of work.
June 8, 2026
City of Renton
Attention: Alisha Smothers
1055 S Grady Way, Suite 600
Renton, WA 98057
Re:Renton City Hall: Lobby Remodel
Amendment 4 Scope revision (no cost change)
Project Number 2240055.00
Dear Alisha:
Mackenzie appreciates this opportunity, and we are pleased to present
Services to amend Agreement CAG
change in compensation.
tegrated
In addition, Mackenzie will retain
(Wiggins Preconstruction Services)
Exhibit A-4 (R4)
City of Renton
Renton City Hall: Lobby Remodel
Project Number 2240055.00
June 8, 2026
Page 2
Develop ROM pricing to ensure direction aligns with Client budget expectations. ROM pricing will include
separate line items for the provided space enclosure systems (Top track security rolling gate with stacking
pocket and top track sliding glass system).
Conduct Renton City Staff interviews and provide updated City Staff Program.
Provide furniture coordination services to assist Client with assessment of existing furniture to be re-used and
supplemental new furniture .
Provide any further services requested by Client on an hourly basis utilizing remaining project budget, not to
exceed.
SCOPE OF SERVICES
Pre-Design Duration: 4-6 weeks
Provide guidance in defining the project vision, goals, and design objectives that will drive the subsequent design process.
SCOPE PROVIDED
1. Confirm and document final approved floor plan established during concept design phase.
2. Validate spatial program, adjacency, and functional layout with Owner.
3. Confirm code strategy including occupancy, egress, and accessibility assumptions.
4. Confirm high-level MEP feasibility and system approach with consultants based on approved conceptual floor
plan.
5. Validate conceptual furniture layout as a reference (non-driving design input).
6. Confirm conceptual finish direction.
7. Confirm phasing and operational constraints for occupied construction.
8. Coordinate ROM cost validation with cost estimator (Wiggins Preconstruction).
9. Assess City of Renton staffing needs for seven (7) years and 15 years.
10. Assess existing furniture to be re-used.
11. Determine supplemental furniture to be new.
12. Provide conceptual imagery of proposed Furniture Consultant.
13. Review Furniture C furniture package.
14. Coordinate furniture finishes with Client and Furniture Consultant.
15. Review final furniture package and invoice.
MEETINGS
1. (In-Person) Pre-Design meeting onsite with MEP consultants and cost estimator for feasibility review.
A. MEP to conduct field verification as needed, after meeting.
2. (Virtual) ROM review meeting.
3. (Virtual) Weekly meetings with Mackenzie Interior Designer and Architect through Pre-Design phase.
4. (Virtual) Questionnaire review with Client prior to distribution to end users.
5. (In-Person) Interviews with end user stake holders.
6. (Virtual) Review updated program document.
7. (In-Person) Review existing furniture to validate feasibility of re-use.
8. (Virtual) Meeting with Client and Furniture Consultant to review conceptual furniture imagery.
City of Renton
Renton City Hall: Lobby Remodel
Project Number 2240055.00
June 8, 2026
Page 2
Develop ROM pricing to ensure direction aligns with Client budget expectations
separate line items for the provided space enclosure systems
pocket and top track sliding glass system).
Conduct Renton City Staff interviews and provide updated City Staff Program
Provide furniture coordination services to assist Client with assessment of existing furniture to be re
supplemental new furniture
Provide any further services requested by Client
exceed.
SCOPE OF SERVICES
Pre-Design
Provide guidance in defining the project vision, goals and design objectives that will drive the subsequent design process.
SCOPE PROVIDED
Confirm and document final approved floor plan established during concept design phase
Validate spatial program, adjacency, and functional layout with Owner.
Confirm code strategy including occupancy, egress, and accessibility assumptions
Confirm high level MEP feasibility and system approach with consultants based on approved conceptual floor
Validate conceptual furniture layout as a reference (non -driving design input).
Confirm phasing and operational constraints for occupied construction.
Coordinate ROM cost validation with cost estimator (Wiggins Preconstruction).
ity of Renton staffing needs for seven (7) years and 15 years.
used.
Determine supplemental furniture to be new.
proposed Furniture Consultant
furniture package.
Coordinate furniture finishes with Client and Furniture Consultant.
final furniture package and invoice.
MEETINGS
1.(In Pre-Design meeting onsite with MEP consultants and cost estimator for feasibility review
A.MEP to conduct field verification as needed, after meeting.
2.(Virtual)ROM review meeting.
3.(Virtual)Weekly meetings with Mackenzie Interior Designer and Architect through Pre
4.(Virtual)Questionnaire review with Client prior to distribution to end users.
5.(In-Person)Interviews with end user stake holders.
6.(Virtual)Review updated program document.
7.(In-Person)Review existing furniture to validate feasibility of re-use.
8.(Virtual)Meeting with Client and Furniture Consultant to review conceptual furniture imagery
Develop ROM pricing to ensure direction aligns with Client budget expectations . ROM pricing will include
the provided space enclosure systems (Top track security rolling gate with stacking
Conduct Renton City Staff interviews and provide updated City Staff Program .
Client with assessment of existing furniture to be re-used and
.
Provide any further services requested by Client on an hourly basis utilizing remaining project budget, not to
Duration: 4-6 weeks
Provide guidance in defining the project vision, goals,and design objectives that will drive the subsequent design process.
SCOPE PROVIDED
1.Confirm and document final approved floor plan established during concept design phase.
2.Validate spatial program, adjacency, and functional layout with Owner
3.Confirm code strategy including occupancy, egress, and accessibility assumptions.
4.Confirm high-level MEP feasibility and system approach with consultants based on approved conceptual floor
plan.
5.Validate conceptual furniture layout as a reference (non
6.Confirm conceptual finish direction.
7.Confirm phasing and operational constraints for occupied construction
8.Coordinate ROM cost validation with cost estimator (Wiggins Preconstruction)
9.Assess City of Renton staffing needs for seven (7) years and 15 years
10.Assess existing furniture to be re-used
11.Determine supplemental furniture to be new
12.Provide conceptual imagery of proposed onsultant.
13.Review Furniture C
14.Coordinate furniture finishes with Client and Furniture Consultant
15.Review
MEETINGS
In-Person)Pre for feasibility review.
MEP to conduct field verification as needed, after meeting
Virtual)
Weekly meetings with Mackenzie Interior Designer and Architect through Pre-Design phase.
Meeting with Client and Furniture Consultant to review conceptual furniture imagery .
City of Renton
Renton City Hall: Lobby Remodel
Project Number 2240055.00
June 8, 2026
Page 3
9. (Virtual) Meeting with Client and Furniture Consultant to review initial furniture package.
10. (In-Person) Meeting with Client and Furniture Consultant to review physical furniture samples.
ASSUMPTIONS
1. Pre-Design phase is complete prior to start of the City of Renton City Hall First Floor Remodel.
2. Floor plan is substantially complete.
3. No alternate layouts or programming studies included, unless noted above.
4. Furniture input is advisory only.
5. End users will provide questionnaire feedback prior to in-person interviews.
6.
ASR if Client decides to proceed.
7. Final furniture specifications and installation documents will be developed and provided by consultant.
8. Furniture purchase will be negotiated by Client with a single furniture consultant.
DELIVERABLES
1. ROM cost estimate report.
2. Pre-Design Report.
A. Substantially complete floor plan.
B. Adjacency summary.
C. Code strategy summary.
D. MEP feasibility summary.
3. End user Questionnaire package.
4. Updated staffing Program draft.
5. Final staffing Program.
6. Furniture concept imagery.
It is our understanding the project will start upon formal approval. If the proposal is agreeable to you, we will prepare an
Agreement for Professional Services for your review and approval. Please note that this proposal is valid for 60 days.
We look forward to working with The City of Renton on this new project. If you need additional information or have any
questions, please do not hesitate to call.
Sincerely,
Brett Hanson
Principal
Enclosure(s): Attachment A GFT Infrastructure, Inc. proposal dated, May 4, 2026
Attachment B Wiggins Preconstruction Services Proposal dated April 29, 2026
Attachment C Hourly Billing Rate Schedule
Attachment D Reimbursable Rates Schedule
City of Renton
Renton City Hall: Lobby Remodel
Project Number 2240055.00
June 8, 2026
Page 3
9.(Virtual)Meeting with Client and Furniture Consultant to review
10.(In-Person)Meeting with Client and Furniture Consultant to review physical furniture samples
ASSUMPTIONS
1.Pre-Design phase is complete prior to start of the
2.Floor plan is substantially complete.
3.No alternate layouts or programming studies included
4.Furniture input is advisory only.
5.End users will provide questionnaire feedback prior to in
6.
ASR if Client decides to proceed
7.Final furniture specifications and installation documents will be developed and provided by consultant
8.Furniture purchase will be negotiated by Client with a single furniture consultant
DELIVERABLES
ROM cost estimate report
Pre-Design Report
A.Substantially complete floor plan
Adjacency summary
C
It is our understanding the project will start upon formal approval.If the proposal is agreeable to you, we
Agreement for Professional Services for your review and approval. Please note that this proposal is valid for
The City of Renton on this new project. If you need additional information or have any
questions, please do not hesitate to call.
Sincerely,
Brett Hanson
Principal
Enclosure(s): Attachment A GFT Infrastructure, Inc. proposal dated, May 4, 2026
Attachment B Wiggins Preconstruction Services Proposal dated April 29
Attachment C Hourly Billing Rate Schedule
Attachment D Reimbursable Rates Schedule
Meeting with Client and Furniture Consultant to review initial furniture package.
Meeting with Client and Furniture Consultant to review physical furniture samples.
start of the City of Renton City Hall First Floor Remodel.
No alternate layouts or programming studies included, unless noted above.
End users will provide questionnaire feedback prior to in-person interviews.
proceed.
Final furniture specifications and installation documents will be developed and provided by consultant.
Furniture purchase will be negotiated by Client with a single furniture consultant.
DELIVERABLES
1.ROM cost estimate report.
2.Pre Report.
A.Substantially complete floor plan.
B.djacency summary.
C.Code strategy summary.
D.MEP feasibility summary.
3.End user Questionnaire package.
4.Updated staffing Program draft.
5.Final staffing Program.
6.Furniture concept imagery.
It is our understanding the project will start If the proposal is agreeable to you, we will prepare an
Agreement for Professional Services for your review and approval. Please note that this proposal is valid for 60 days.
We look forward to working with The City of Renton project. If you need additional information or have any
questions, please do not hesitate to call.
Sincerely,
Brett Hanson
29, 2026
Attachment A - Page 1 of 2
Attachment A - Page 2 of 2
Estimate Level: Predesign
Scope Hours Rate Ext.
Project Management, Meetings, & Site Visit 6 $185.00 $1,110
Civil / Site Improvements Cost Estimating None anticipated
Architectural Cost Estimating (incl. 3 alternates for security) 10 $185.00 $1,850
Mechanical, Electrical, & Plumbing Cost Estimating 4 $185.00 $740
Final Estimate Adjustments & Pricing Break Outs 2 $185.00 $370
$4,070
*Estimating Fees Clarifications
Matt Wiggins
M: 360.870.5100 E: mattw@wigginsprecon.com
Fee Total
Fees are for construction cost estimating only. Soft costs estimating is excluded.
Fees include all expenses.
Attachment B
Attachment C
April 2018
REIMBURSABLE CHARGES
Mackenzie will charge the following standard, cost-based rates for in-house reimbursable items listed
below:
IN-HOUSE PRINTING
Scanning Black & White
Small Format: $0.25/sheet
(8-1/2 x 11 - 11 x 17)
Large Format: $1.00/sheet
(Including Half Size)
Scanning Color
Small Format: $0.50/sheet
(8-1/2 x 11 - 11 x 17)
Large Format: $3.00/sheet
(Including Half Size)
Printing/Copying All Sizes
Black & White: $0.21/sq. ft.
Full Color: $4.00/sq. ft.
Fax
Local: $1.00/sheet
Long distance: $1.30/sheet
OTHER IN-HOUSE REIMBURSABLE ITEMS
Check Generation Fee
$25.00
Automobile Mileage
Billed according to IRS guidelines
Delivery Service
Fixed rates: $7.75 to $54.40
(depending on mileage)
Data Supplies
CD documentation: $15.00
DVD documentation: $30.00
Report Binder
Without tabs: $3.00/book
With tabs: $4.00/book
Foamcore:$4.25/sheet
April 2018
REIMBURSABLE CHARGES
Mackenzie will charge the following standard, cost
below:
IN
Scanning Black & White
Small Format: $
(8-1/2 x 11 -11 x 17)
Large Format:
(Including Half Size)
Scanning
Small Format:
Black & White:
Local:
Long distance:
HOUSE REIMBURSABLE ITEMS
Billed according to IRS guidelines
Delivery Service
Fixed rates:$7.75 to $54.40
(depending on mileage)
Data Supplies
CD documentation:
DVD documentation:
Report Binder
Without tabs:
With tabs:
Foamcore:
Attachment D